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Old 04 September 2009, 16:16   #1
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outboard speed?

Hi

Can any one tell me a rough idea on speed for a 2.5mtr to 3.2mtr inflatable rib for 2hp , 3ph , 10hp and a 15hp ?

I have`nt got a boat as yet but not sure what out board to go for as regarding speed.
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Old 04 September 2009, 16:24   #2
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Hi

Can any one tell me a rough idea on speed for a 2.5mtr to 3.2mtr inflatable rib for 2hp , 3ph , 10hp and a 15hp ?

I have`nt got a boat as yet but not sure what out board to go for as regarding speed.
For speed the largest 3.2 mtr rib with 15 Hp, should do minimum 35 + Km/h or slight more with flat calm waters, light weight, no wind.
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Old 04 September 2009, 16:34   #3
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Hi

I dont want to sound thick and dont no anything about boats but is 30mph in a car?
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Old 04 September 2009, 16:36   #4
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???

My 3.1m with a 15hp 4 stroke will do about 24mph - prob about 26 or 27 with a 2 stroke and a lighter load.
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Old 04 September 2009, 17:10   #5
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???
prob about 26 or 27 with a 2 stroke and a lighter load.
Being a rib and not a sib probably, but might have my doubts, my 380 sib with 18 HP 2 strokes does near 40 Km/h which is about 25 mph in best conditions and 1 up.

Happy Sibbing
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Old 04 September 2009, 17:20   #6
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Hi

I dont want to sound thick and dont no anything about boats but is 30mph in a car?
Yes near 25 + mph in a car, may sound very low, but on water, the speed has a sensation of about 3 times the road speed sensation. Stick your amr in water to feel (joke)

Happy Sibbing
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Old 04 September 2009, 17:30   #7
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Being a rib and not a sib probably, but might have my doubts, my 380 sib with 18 HP 2 strokes does near 40 Km/h which is about 25 mph in best conditions and 1 up.

Happy Sibbing
Sorry missed the RIB bit - I was on about a SIB!!!
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Old 04 September 2009, 19:23   #8
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Sorry missed the RIB bit - I was on about a SIB!!!
Same size ribs/sibs, with same engines 15 HP; ribs should go slight faster, don't they ?
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Old 04 September 2009, 20:02   #9
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Boat speeds

My 2.8m Zodiac will do 14.5mph two up with my 6hp engine.
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Old 06 September 2009, 07:42   #10
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I see you live near me Jason and know it's a fair trek to the sea. Wonder if you are thinking of sea or river use? If river an outboard up to 4hp will be fine.

My 3.2m wooden floor Zodiac with air keel will regularly make 16mph (seen on the GPS) and has seen a max of 19mph with its 9.8hp Tohatsu 2-stroke. That's with one adult and a 12yr old child.

David
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